PR c++/26291

	* decl.c (grok_op_properties): Check for ellipsis in arguments of
        operators.

	* g++.dg/other/ellipsis1.C: New test.
	* g++.dg/parse/operator4.C: Adjust error marker.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@111367 138bc75d-0d04-0410-961f-82ee72b054a4